protected String toString(int tab) {
StringBuilder sb = new StringBuilder();
sb.append(Assembly.toString(insn));
for (AbstractNode n : this) {
sb.append('\n');
for (int i = 0; i < tab; i++) {
sb.append('\t');
}
sb.append(n.toString(tab + 1));
}
return sb.toString();
}
@Override
public boolean equals(Object obj) {
return obj instanceof AbstractNode
&& Assembly.instructionsEqual(((AbstractNode) obj).insn(), insn());
}